Brünken, S.; H. Gupta; C. A. Gottlieb; M. C. McCarthy; P. Thaddeus (July 20, 2007). "Detection of the Carbon Chain Negative Ion C8H− in TMC-1". The Astrophysical Journal. 664 (1): L43 –L46. Bibcode:2007ApJ...664L..43B. doi:10.1086/520703. S2CID120912943.
Kenyon, Scott J.; Hartmann, Lee (November 1995). "Pre-Main-Sequence Evolution in the Taurus–Auriga Molecular Cloud". Astrophysical Journal Supplement Series. 101: 117. Bibcode:1995ApJS..101..117K. doi:10.1086/192235. ISSN0067-0049.
Brünken, S.; H. Gupta; C. A. Gottlieb; M. C. McCarthy; P. Thaddeus (July 20, 2007). "Detection of the Carbon Chain Negative Ion C8H− in TMC-1". The Astrophysical Journal. 664 (1): L43 –L46. Bibcode:2007ApJ...664L..43B. doi:10.1086/520703. S2CID120912943.
Kenyon, Scott J.; Hartmann, Lee (November 1995). "Pre-Main-Sequence Evolution in the Taurus–Auriga Molecular Cloud". Astrophysical Journal Supplement Series. 101: 117. Bibcode:1995ApJS..101..117K. doi:10.1086/192235. ISSN0067-0049.
Brünken, S.; H. Gupta; C. A. Gottlieb; M. C. McCarthy; P. Thaddeus (July 20, 2007). "Detection of the Carbon Chain Negative Ion C8H− in TMC-1". The Astrophysical Journal. 664 (1): L43 –L46. Bibcode:2007ApJ...664L..43B. doi:10.1086/520703. S2CID120912943.